From fbf753257b74072d2c95c10b2f40c0534959cf8d Mon Sep 17 00:00:00 2001
From: Nadia Holmquist Pedersen <nadia@nhp.sh>
Date: Sat, 19 Oct 2024 18:29:05 +0200
Subject: [PATCH] cmake: Add easy sanitizers option

Set -DSANITIZE to a comma-separated list of options to pass to
-fsanitize=, like -DSANITIZE=address,undefined
---
 CMakeLists.txt         | 1 +
 cmake/Sanitizers.cmake | 8 ++++++++
 2 files changed, 9 insertions(+)
 create mode 100644 cmake/Sanitizers.cmake

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 40583949..55bf825f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -27,6 +27,7 @@ include(CMakeDependentOption)
 include(CheckIPOSupported)
 
 include(SetupCCache)
+include(Sanitizers)
 
 set(CMAKE_OSX_DEPLOYMENT_TARGET "10.15" CACHE STRING "Minimum OS X deployment version")
 
diff --git a/cmake/Sanitizers.cmake b/cmake/Sanitizers.cmake
new file mode 100644
index 00000000..9c09da28
--- /dev/null
+++ b/cmake/Sanitizers.cmake
@@ -0,0 +1,8 @@
+set(SANITIZE "" CACHE STRING "Sanitizers to enable.")
+
+string(REGEX MATCHALL "[^,]+" ENABLED_SANITIZERS "${SANITIZE}")
+
+foreach(SANITIZER ${ENABLED_SANITIZERS})
+    add_compile_options("-fsanitize=${SANITIZER}")
+    add_link_options("-fsanitize=${SANITIZER}")
+endforeach()
\ No newline at end of file